:root {
    --background-color: #08041b;
    --container-color: #211e33;
    --text-color: #FFFFFF;
    --error-color: #FF0000;
    --button-gradient-left: #FF6200;
    --button-gradient-right: #FF0000;
    --border-radius: 10px;
    --transition-speed: 0.3s;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    background-color: var(--background-color);
}

.app-header {
    background: transparent;
}

.app-header h1 {
    margin: 0;
    font-weight: 600;
    font-size: 2rem;
    color: var(--text-color);
}

/* Container Styling */
main.container {
    background-color: var(--container-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    max-width: 700px; /* Ajusta el ancho máximo del contenedor */
    margin: 0 auto; /* Centra el contenedor */
}

/* Form Styling */
.form-control, .form-select {
    border-radius: var(--border-radius);
    border: 1px solid #FFFFFF;
    background-color: #FFFFFF;
    color: #333;
    padding: 0.75rem;
    transition: all var(--transition-speed) ease;
}

.form-control:focus, .form-select:focus {
    border-color: #FFFFFF;
    box-shadow: none;
}

.form-control.is-invalid, .form-select.is-invalid {
    border-color: var(--error-color);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23FF0000' viewBox='0 0 12 12'%3E%3Ccircle cx='6' cy='6' r='4.5'/%3E%3Cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3E%3Ccircle cx='6' cy='8.2' r='.6' fill='%23FF0000' stroke='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.form-control::placeholder, .form-select option[disabled] {
    color: #999;
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.invalid-feedback {
    color: var(--error-color);
}

/* Button Styling */
.btn-primary {
    background: linear-gradient(90deg, var(--button-gradient-left), var(--button-gradient-right));
    border: none;
    border-radius: var(--border-radius);
    padding: 1rem 2rem;
    font-weight: 600;
    color: var(--text-color);
    transition: transform var(--transition-speed) ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: linear-gradient(90deg, var(--button-gradient-right), var(--button-gradient-left));
}

.btn-primary:active {
    transform: translateY(0);
}

/* Loading Animation */
.loading-dots {
    display: inline-block;
    margin-left: 8px;
}

.loading-dots span {
    animation: blink 1.4s infinite;
    font-size: 1.2rem;
    margin-left: 2px;
}

.loading-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes blink {
    0% { opacity: 0; }
    50% { opacity: 1; }
    100% { opacity: 0; }
}

/* Response Container */
.card {
    border-radius: var(--border-radius);
    border: none;
    background-color: var(--container-color);
}

.card-header {
    background: transparent;
    color: var(--text-color);
    border-radius: var(--border-radius) var(--border-radius) 0 0 !important;
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.card-body {
    padding: 1.5rem;
    color: var(--text-color);
}

/* Error Container */
.alert-danger {
    border-radius: var(--border-radius);
    border: none;
    background-color: var(--container-color);
    color: var(--error-color);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .app-header h1 {
        font-size: 1.5rem;
    }

    .btn-primary {
        padding: 0.75rem 1.5rem;
    }

    .card-body {
        padding: 1rem;
    }

    main.container {
        max-width: 100%; /* En pantallas pequeñas, el contenedor ocupa todo el ancho */
        padding: 1.5rem; /* Reduce un poco el padding en pantallas pequeñas */
    }
}

/* Generated Content Styling */
#generatedContent {
    line-height: 1.6;
    font-size: 1.1rem;
    color: var(--text-color);
}

#generatedContent p {
    margin-bottom: 1rem;
}

#generatedContent ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

#generatedContent li {
    margin-bottom: 0.5rem;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-color);
}

::-webkit-scrollbar-thumb {
    background: #FFFFFF;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #CCCCCC;
}